Power consumptionP ≤ 0.7 W, S < 6 VA
Current consumption0.4 A
Switch point deviation over density18
Process temperature range-50 to +150 °C
Thermal shock≤ 120 K/s
Process pressure range-1 to +64 bar
Height with cover with sight glass made of glass129.3 (5.09) mm (in)
Temperature spacer and/or pressure-tight feedthrough with maximum insulation length140 mm (5.51 in)
Tuning fork17.2 (0.68) mm (in)
Height of process connection18 (0.71) mm
Maximum height specification for the process connections57 (2.24) mm
Pressure ratingCl.150
Material316L (1.4404)
Weight1.0 kg (2.21 lb)
Pipe extension1 000 mm: 0.9 kg (1.98 lb)
Protective cover, plastic0.2 kg (0.44 lb)
Protective cover, 316L0.93 kg (2.05 lb)
Surface roughnessRa ≤3.2 µm (126 µin)
Free-field range50 m max
Operation radius with intervisibility around the device10 m
Density switch setting (ρ) > 0.7–0.2 mm/10 k
Density switch setting (ρ) > 0.5–0.2 mm/10 k
Storage temperature–40 to +80 °C
Humidityup to 100 %
Operating altitudeAs per IEC 61010-1 Ed.3: Up to 2 000 m (6 600 ft) above sea level, Can be extend
Climate classIEC 60068-2-38 test Z/AD
Degree of protectionDIN EN 60529, NEMA 250
IP ratingIP66/IP68 NEMA 4X/6P
Vibration resistancea(RMS) = 50 m/s2, f = 5 to 2 000 Hz , t = 3 axes x 2 h
Shock resistance300 m/s² [= 30 gn] + 18 ms
Height of process connection A18 (0.71) mm (in)
Height of process connection B18 (0.71) mm (in)
Height of process connection C57 (2.24) mm (in)
Pressure rating, temperature≤ 40 bar (580 psi), ≤ 100 °C (212 °F)
Thread ASME B1.20.3, MNPT ¾69 (2.72) mm (in)
Thread ASME B1.20.3, MNPT 171.5 (2.81) mm (in)
Thread EN10226, R ¾66 (2.6) mm (in)
Thread EN10226, R 169 (2.72) mm (in)
Tri-Clamp 1 to 1 ½66.5 (2.62) mm (in)
2" Tri-Clamp66.5 (2.62) mm (in)
Pipe extension 1 000 mm0.9 kg
Pipe extension 100 in2.3 kg
Weather protection cover, plastic0.2 kg
Weather protection cover, metal0.93 kg
Process sealANSI/ISA 12.27.01
China RoHSSJ/T 11363-2006
Supply voltageU = 19 to 253 VAC, 50 Hz/60 Hz / 19 to 55 VDC
Hysteresistypically 2.5 mm (0.1 in)
Influence of the process temperatureThe switch point moves between +1.4 to –2.6 mm (+0.06 to –0.1 in) in the temp
Influence of the process pressureThe switch point moves between 0 to 2.6 mm (0 to 0.1 in) in the pressure
Ambient temperature range–40 to +70 °C (–40 to +158 °F)
Maximum lateral loading capacity75 Nm
Thread ISO228 G with flat seal66.5 (2.62) mm (in)
Thread ASME B1.20.3, MNPT71.5 (2.81) mm (in)
Thread EN10226, R66 (2.6) mm (in)
Tri-clamp66.5 (2.62) mm (in)
Housing weight0.8 kg (1.76 lb)
Housing weight with LED or Bluetooth module0.38 kg (0.84 lb)
Housing weight with 316L cast1.21 kg (2.67 lb)
Housing weight with dual compartment1.22 kg (2.69 lb)
Temperature spacer weight0.6 kg (1.32 lb)
Pressure-tight feedthrough weight0.7 kg (1.54 lb)
Pipe extension weight (1000 mm)0.9 kg (1.98 lb)
Pipe extension weight (100 in)2.3 kg (5.07 lb)
Plastic protective cover weight0.2 kg (0.44 lb)
CertificationsEN 10204 - 3.1 material
Load currentI ≤ 350 mA with overload and short-circuit protection
Capacitance loadC ≤ 0.5 µF at 55 V, C ≤ 1.0 µF at 24 V
Residual currentI < 100 µA (for blocked transistor)
U10...55 V DC
I max350 mA
U max55 V
IL max350 mA
Connectable loadIAC ≤ 6 A, U~ ≤ AC 253 V; P~ ≤ 1 500 VA, cos φ = 1, P~ ≤ 750 VA, cos φ > 0.7; ID
Conductor cross-section maximum2.5 mm2 (AWG14)
Diameter7 to 10.5 mm (0.28 to 0.41 in)
PN [psi] [bar]1450 100
Overpressure limit1.5·PN maximum100 bar (1 450 psi)
Approvalwith inspection certificate EN 10204 - 3.1 material
Permitted ambient temperature Ta at the housing as a function of the process temperature Tp in the vessel:A: 70 °C (158 °F) B: 60 °C (140 °F)
Test pressure1.5 · PN maximum 100 bar (1 450 psi) depending on process connection selected
Membrane burst pressure200 bar (2 900 psi)
DensitySwitch position > 0.7 g/cm3 (as-delivered state)
Correction factor1.0000
Internal diameter of pipe100 mm
D84 mm (3.31 in)
R1.0000
Electrical connection2x 0.7 Nm
Cover with securing screw18
Operating InstructionsBA02213F/00/EN/06.25-00
Valid as of version01.00.zz (Device firmware)
Cable outer diameter⌀5 to 10 mm (0.2 to 0.38 in)
HART communication resistor250 Ω
Test level for DC power supply lines and IO lines1 000-V-wire to ground
Spark-over voltagemin. DC 400 V
Nominal discharge current10 kA
HART loadmin. 250 Ω
Conductor cross-section2.5 mm2 maximum (AWG14)
Nickel-plated brass7 to 10.5 mm (0.28 to 0.41 in)
Plastic5 to 10 mm (0.2 to 0.38 in)
Stainless steel7 to 12 mm (0.28 to 0.47 in)
Tightening torque3.5 Nm
Connecting protective earth (PE) torque0.7 Nm
Medium density> 0.7 g/cm³ (43.7 lb/ft³)
Viscosity≤ 10 000 mPa⋅s
Solids contents⌀ ≤ 5 mm (0.2 in)
IP68 Testbedingung:1,83 m H2O für 24 h
Schwingungsfestigkeita(RMS) = 50 m/s2, f = 5 … 2 000 Hz , t = 3 Achsen x 2 h
Schockfestigkeit300 m/s² [= 30 gn] + 18 ms
Prozesstemperaturbereich–50 … +150 °C
Thermischer Schock≤ 120 K/s
Prozessdruckbereich–1 … +64 bar (–14,5 … 928 psi) bei max. 150 °C (302 °F)
Relative LuftfeuchteBetrieb bis zu 100 %. Nicht in kondensierender Atmosphäre öffnen.
BetriebshöheNach IEC 61010-1 Ed.3: • Bis 2 000 m (6 500 ft) über Normalnull • Erweiterbar bi
KlimaklasseNach IEC 60068-2-38 Prüfung Z/AD
SchutzartNach DIN EN 60529, NEMA 250 IP66/IP68 NEMA 4X/6P
Weight1,2 kg (2,65 lb)
TypeDN32
DruckstufePN10/16
Dichteumschaltungρ > 0.7 g/cm3
Schalterstellung> 0,7 g/cm3 (Auslieferungszustand)
Druckbis 100 bar
Viskositätbis 10 000 mPa⋅s
StromaufnahmeImax = 0,4 A
Reichweite im Freifeld50 m
Bedienradius um das Gerät bei Sichtkontakt10 m
Maximale seitliche Belastbarkeit der Rohr-verlängerungen und Sensoren:75 Nm (55 lbf ft)
Zulässige Anschlussspannung bei Umgebungstemperaturen unter –40 °C (–40 °F):35 V DC
Umgebungstemperaturbereich:–40 … +70 °C (–40 … +158 °F)
Elektromagnetische VerträglichkeitNach EN 61326-Serie und NAMUR-Empfehlung EMV (NE21)
Höhe Prozessanschluss A18 (0.71)
Höhe Prozessanschluss B18 (0.71)
Höhe Prozessanschluss C57 (2.24)
Druckstufe, Temperatur≤ 40 bar (580 psi), ≤ +100 °C (+212 °F)
Schaltpunktabweichung über Dichte-0.2 mm/10 k
Zugelassene Druckwerte der Flansche bei höheren TemperaturenpR EN 1092-1: Der Werkstoff 1.4435 ist in seiner Festigkeit-Temperatur-Eigenscha
Prüfdruck• PN = 64 bar (928 psi): Prüfdruck = 1,5 · PN maximal 100 bar (1 450 psi) abhäng
Höhe bei Deckel ohne Sichtscheibe131 (5.16)
Höhe bei Deckel mit Sichtscheibe aus Glas120.2 (4.73)
Maximale Länge der Isolation140 mm (5,51 in)
Höhe Prozessanschluss18 (0.71) / 57 (2.24) mm (in)
GewindeISO228 G
Pmax0.83 W PNP
LeistungsaufnahmeP ≤ 0,7 W, S < 6 VA
Überdruck1,5 · PN maximal 100 bar (1 450 psi) abhängig vom gewählten Prozessanschluss
MessstoffdichteFlüssigkeiten mit Dichte > 0,7 g/cm3
Dichteeinstellung0,4 wählen g/cm3
Betriebshöhe nach IEC 61010-1 Ed.3Bis 2 000 m (6 500 ft) über Normalnull
Erweiterbar bis3 000 m (9 800 ft) über Normalnull
Emvnach EN 61326-Serie und NAMUR-Empfehlung EMV (NE21)
Druckbereich bei 100 barOptional bestellbar: 100 bar (1 450 psi) bei max. 150 °C (302 °F)
HART Kommunikationswiderstand250 Ω
Prüfpegel für DC-Versorgungsleitungen und IO-Leitungen1 000 V
Zündspannungmin. DC 400 V
Nennableitstrom10 kA
Temperatura:-50 a +150 °C (-58 a +302 °F)
Presión:-1 a +100 bar (-14,5 a 1.450 psi)
Temperatura-50 ... +150 °C (-58 ... +302 °F)
Pressione-1 ... +100 bar (-14,5 ... +1.450 psi)
Part numberFTL51B